The Museum of Westward Expansion, located underground between the legs of the Gateway Arch, is a engrossing look at how the west was explored and settled. The museum contains a hodgepodge of items, from authentic artifacts, to recreated settler and Native American structures, from Lewis and Clark in photos, journals and maps, to preserved animals, like buffalo and bear. The key to getting anything out of the museum is, of course, taking the time to view it all. You may be overrun, however, with people hanging around just to wait their turn to ride up into the Arch. The elevator entrances to that are just outside the museum entrance. The museum is free, and you can take all the photos you want. It's well worth a visit.
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